Cutting Speeds taken from http://littlemachineshop.com/reference/cuttingspeeds.php

Turning

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Turning speeds are adjusted to the feed rate of the mini lathe (0.004/rev.), a depth of cut of 0.040, and a tool life of 180 minutes.

MaterialAISI/SAE/ASTM DesignationHSS
Feet/Minute
Carbide
Feet/Minute
Free machining plain carbon steels (resulfurized)1212, 1213, 1215270 - 290820 - 1045
Free machining plain carbon steels1108, 1109, 1115, 1117, 1118, 1120, 1126, 1211215 - 235950
Free machining plain carbon steels1132, 1137, 1139, 1140, 1144, 1146, 115170 - 215670 - 800
Free machining plain carbon steels (Leaded)11L17, 11L18, 12L13, 12L14200 - 260800 - 820
Plain carbon steels1006, 1008, 1009, 1010, 1012, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1513, 1514125 - 215800 - 885
Plain carbon steels1027, 1030, 1033, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1045, 1046, 1048, 1049, 1050, 1052, 1524, 1526, 1527, 154155 - 180670 - 970
Free machining alloy steels (resulfurized):4140, 415070 - 200430 - 685
Water hardening tool steelW1, W2, W5180590
Cold work, oil hardening tool steelO1, O2, O6, O7125590
Cold work, air hardening tool steelA2, A3, A4, A6, A7, A8, A9, A1080 - 125355 - 365
Stainless steels (Austenitic)201, 202, 301, 302, 304, 304L, 305, 308, 321, 347, 348115 - 135570
Cast IronASTM Class 20, 25, 30, 35, 40145 - 215410
BrassC35600, C37700, C36000, C33200, C34200, C35300, C48500, C34000300 - 3501170
BronzeC65500, C22600, C65100, C67500200 - 250715
Wrought aluminum6061-T6, 5000, 6000, and 7000 series.500 - 6002820
Cast aluminumSand and permanent mold casting alloys600 - 7502820
Cutting speed (FPM):
Work diameter (inches): 
Revolutions per minute: 

 

Milling

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MaterialAISI/SAE/ASTM DesignationFeet/Minute
Free machining plain carbon steels (resulfurized)1212, 1213, 1215130 - 140
Free machining plain carbon steels1108, 1109, 1115, 1117, 1118, 1120, 1126, 1211115 - 130
Free machining plain carbon steels1132, 1137, 1139, 1140, 1144, 1146, 115135 - 70
Free machining plain carbon steels (Leaded)11L17, 11L18, 12L13, 12L14110 - 140
Plain carbon steels1006, 1008, 1009, 1010, 1012, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1513, 151465 - 110
Plain carbon steels1027, 1030, 1033, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1045, 1046, 1048, 1049, 1050, 1052, 1524, 1526, 1527, 154125 - 100
Free machining alloy steels (resulfurized)4140, 415035 - 100
Water hardening tool steelW1, W2, W585
Cold work, oil hardening tool steelO1, O2, O6, O750
Cold work, air hardening tool steelA2, A3, A4, A6, A7, A8, A9, A1040 - 50
Stainless steels (Austenitic)201, 202, 301, 302, 304, 304L, 305, 308, 321, 347, 34870 - 75
Cast IronASTM Class 20, 25, 30, 35, 4070 - 100
BrassC33200, C34000, C34200, C35300, C35600, C36000, C37700,   C48500100 - 200
BronzeC22600, C65100, C65500, C6750030 - 80
Wrought aluminum6061-T6, 5000, 6000, and 7000 series.165
Cast aluminumSand and permanent mold casting alloys165
Cutting speed (FPM):
End mill diameter (inches): 
Revolutions per minute: 

 

Drilling & Reaming

   Turning   Milling   Top
MaterialAISI/SAE/ASTM DesignationDrilling Feet/MinuteReaming Feet/Minute
Free machining plain carbon steels (resulfurized)1212, 1213, 1215120 - 12580
Free machining plain carbon steels1108, 1109, 1115, 1117, 1118, 1120, 1126, 1211100 - 12075 - 80
Free machining plain carbon steels1132, 1137, 1139, 1140, 1144, 1146, 115135 - 7020 - 45
Free machining plain carbon steels (Leaded)11L17, 11L18, 12L13, 12L1490 - 13060 - 85
Plain carbon steels1006, 1008, 1009, 1010, 1012, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1513, 151460 - 10040 - 65
Plain carbon steels1027, 1030, 1033, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1045, 1046, 1048, 1049, 1050, 1052, 1524, 1526, 1527, 154125 - 9015 - 60
Free machining alloy steels (resulfurized)4140, 415030 - 9015 - 60
Water hardening tool steelW1, W2, W58555
Cold work, oil hardening tool steelO1, O2, O6, O74530
Cold work, air hardening tool steelA2, A3, A4, A6, A7, A8, A9, A1030 - 5020 - 35
Stainless steels (Austenitic)201, 202, 301, 302, 304, 304L, 305, 308, 321, 347, 34850 - 5530 - 35
Cast IronASTM Class 20, 25, 30, 35, 4080 - 10050 - 65
BrassC35600, C37700, C36000, C33200, C34200, C35300, C48500, C34000160 - 175160 - 175
BronzeC65500, C22600, C65100, C67500120 - 140110 - 120
Wrought aluminum6061-T6, 5000, 6000, and 7000 series.350 - 400350 - 400
Cast aluminumSand and permanent mold casting alloys350 - 400350 - 400
Cutting speed (FPM):
Drill or reamer diameter (inches): 
Revolutions per minute: